Podcast 70: Can coffee help us live longer?

There have been a number of studies that indicate coffee drinkers live longer than non-drinkers.  Previous research has linked coffee consumption with a lower risk of Parkinson’s disease, heart disease, Type 2 diabetes, liver and prostate cancers and other health issues.  Of course, all of these studies are observational epidemiological studies that cannot prove causality – that coffee drinking causes us to live longer, or the converse – not drinking coffee shortens our lives.